211232232017 has 2 divisors, whose sum is σ = 211232232018. Its totient is φ = 211232232016.

The previous prime is 211232231981. The next prime is 211232232041. The reversal of 211232232017 is 710232232112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115583680576 + 95648551441 = 339976^2 + 309271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211232232017 is a prime.

It is not a weakly prime, because it can be changed into another prime (211232232067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616116008 + 105616116009.

It is an arithmetic number, because the mean of its divisors is an integer number (105616116009).

Almost surely, 2^211232232017 is an apocalyptic number.

It is an amenable number.

211232232017 is a deficient number, since it is larger than the sum of its proper divisors (1).

211232232017 is an equidigital number, since it uses as much as digits as its factorization.

211232232017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 211232232017 its reverse (710232232112), we get a palindrome (921464464129).

The spelling of 211232232017 in words is "two hundred eleven billion, two hundred thirty-two million, two hundred thirty-two thousand, seventeen".